13 Wireless Patient Monitoring
13.1 INTRODUCTION
Wireless patient monitoring (WPM), (or wireless medical telemetry services (WMTS)), is a rapidly growing technology applied to the monitoring of the vital signs of patients in all hospital departments (OR, RR, ICU, etc.), as well as ambulatory patients undergoing physical therapy and exercise. Analog sensors attached to patients measuring parameters such as blood pressure (BP), ECG (various leads), EEG (various leads), blood O2 saturation and heart rate, body temperature, etc. send their output signals to IC battery-powered digitizers, modulators, and RF transmitters, generally operating around ...
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